---
title: progress
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avplannedsegmentwritingrequest/progress
---

# progress

## Declaration

```swift
var progress: Float { get }
```

## Discussion

Discussion The current progress for the track identified by assemblyTrackID. Returns a float value between 0.0 and 1.0 representing the percentage of duration completed for this track. This value is updated as segments are completed.

## See Also

### Inspecting the request

- [timeRange](avfoundation/avplannedsegmentwritingrequest/timerange.md)
- [segmentFileOutputURL](avfoundation/avplannedsegmentwritingrequest/segmentfileoutputurl.md)
- [assemblyTrackID](avfoundation/avplannedsegmentwritingrequest/assemblytrackid.md)